trapiferousadj.

/traˈpɪfərəs/Etymology: < trap n.5 + -iferous comb. form.
Mineralogy.
rare.
the world > the earth > structure of the earth > constituent materials > rock > igneous rock > [adjective] > trap
1794 R. Kirwan (ed. 2) I. 382 Trapiferous Argillite.
This entry has not yet been fully updated (first published 1914; most recently modified version published online June 2021).